vector< Description > Description::SplitDescription ( const std::string &  buffer )

static

This function breaks down a descriptive string into its components. For details see class reference.

Parameters

buffer

string which should be broekn into pieces

Returns

A vector<Description> containing all the descriptions found. The first entry contains the Description members name and comment, corresponding to the service or command name the Description list is for and its corresponding description.

Definition at line 82 of file Description.cc.

References comment, name, Tools::Trim(), and unit.

Referenced by DimDescriptions::HandleServiceDesc(), DimServiceInfoList::infoHandler(), EventImp::Print(), and ServiceList::ProcessServiceList().

{
    const size_t p0 = buffer.find_first_of('=');

    const string svc  = buffer.substr(0, p0);
    const string desc = buffer.substr(p0+1);

    const size_t p = desc.find_first_of('|');

    // Extract a general description
    const string d = Trim(desc.substr(0, p));

    vector<Description> vec;
    vec.emplace_back(svc, d);

    if (p==string::npos)
        return vec;

    string buf;
    stringstream stream(desc.substr(p+1));
    while (getline(stream, buf, '|'))
    {
        if (buf.empty())
            continue;

        const size_t p1 = buf.find_first_of(':');

        const string comment = p1==string::npos ? "" : buf.substr(p1+1);
        if (p1!=string::npos)
            buf.erase(p1);

        const size_t p2 = buf.find_last_of('[');
        const size_t p3 = buf.find_last_of(']');

        const bool hasunit = p2<p3 && p2!=string::npos;

        const string unit = hasunit ? buf.substr(p2+1, p3-p2-1) : "";
        const string name = hasunit ? buf.substr(0, p2) : buf;

        vec.emplace_back(name, comment, unit);
    }

    return vec;
}

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